TRANSMISSION – Mercury Mountaineer 2003 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

4WD Wiring Diagram, with Traction Control for Mercury Mountaineer 2003

List of elements for 4WD Wiring Diagram, with Traction Control for Mercury Mountaineer 2003:

• (left "a" pillar)
• (near breakout to windshield wiper motor) s179
• (right "a" pillar) g200
• 4wd ind
• 4wd sw
• Abs control module (left front side of engine compt)
• Battery junction (bjb) box (left side of engine compt)
• Bpp sw
• Brake pedal position switch (above brake pedal)
• C155
• C175a
• C270d
• C270f
• C281a
• C281b
• Can bus +
• Can bus -
• Central junction box (behind left side of dash)
• Computer data lines system
• Data link connector
• Datalink conector (behind left side of dash)
• Diff lock sol
• Differential lock solenoid
• Digital transmission range sensor (left side of transmission)
• Exterior lights switch
• Four-wheel drive control module (below right side of dash)
• Four-wheel drive switch
• Fuse 15a
• Fuse 20a
• Fuse 5a
• G102 (left front side of engine compartment)
• G300
• Ground
• High
• Hot at all times
• Hot in run or start
• Illum
• Interior lights system
• Low
• N tow sw
• Neutral sw
• Neutral tow indicator (below left side of dash)
• Off
• Pcm sig
• Position 1
• Position 2
• Position 3
• Position 4
• Position ind
• Position sw
• Powertrain control module (mounted through firewall)
• S125
• S230
• S246 (main harn, near c238 breakout)
• S263
• Sig return
• Transfer case
• Transfer case assembly
• Ubp diag
• Vbatt

4WD Wiring Diagram, without Traction Control for Mercury Mountaineer 2003

List of elements for 4WD Wiring Diagram, without Traction Control for Mercury Mountaineer 2003:

• (left "a" pillar) g300
• (near c350 (breakout)
• (near windshield wiper motor breakout)
• (right "a" pillar) g200
• 4wd ind
• 4wd sw
• Abs control module (left front side of engine compt)
• Abs sig
• Battery junction (bjb) box (left side of engine compt)
• Bpp sw
• Brake pedal position switch (above brake pedal)
• C155
• C175a
• C270d
• C270f
• C281a
• C281b
• Central junction box (behind left side of dash)
• Computer data lines system
• Data link connector
• Datalink conector (behind left side of dash)
• Diff lock sol
• Differential lock solenoid
• Digital transmission range sensor (left side of transmission)
• Exterior lights switch
• F speed sens
• Four-wheel drive control module (below right side of dash)
• Four-wheel drive switch
• Front speed sensor
• Fuse 15a
• Fuse 20a
• Fuse 5a
• G102 (left front side of engine compartment)
• Ground
• High
• Hot at all times
• Hot in run or start
• Illum
• Interior lights system
• Low
• N tow sw
• Neutral sw
• Neutral tow indicator (below left side of dash)
• Off
• Pcm sig
• Position 1
• Position 2
• Position 3
• Position 4
• Position ind
• Position sw
• Powertrain control module (mounted through firewall)
• R speed sens
• Rear speed sensor
• S120
• S125
• S200
• S201
• S230
• S246 (main harn, near c238 breakout)
• S263
• Sens return
• Sig return
• Transfer case
• Transfer case assembly
• Ubp diag
• Vbatt

A/T Wiring Diagram for Mercury Mountaineer 2003

List of elements for A/T Wiring Diagram for Mercury Mountaineer 2003:

• (4.0l)
• (4.6l)
• (behind left side of dash) data link connector
• (left front side of engine compt)
• (mounted through firewall) powertrain control module
• (near cjb breakout)
• (near differential pressure feedback egr sensor breakout)
• (near pcm breakout) s101
• (near pcm breakout) s102
• (near right wheel speed sensor breakout)
• (right rear side of engine compt)
• 4wd
• 4wd circuit
• Battery junction (bjb) box (left side of engine compt)
• Brake in
• Brake pedal position switch (above brake pedal)
• C175a
• C175b
• C175c
• C220a
• C220b
• C270d
• C270f
• Central junction box (behind left side of dash)
• Cht
• Cylinder head temperature sensor (4.6l) (top front of cylinder head)
• Digital transmission range sensor (left side of transmission)
• Dlc
• Ect
• Engine controls system
• Engine coolant temperature sensor (4.0l) (top right of engine)
• Fuse 15a
• Fuse 40a
• Fuse 5a
• G101
• G104
• G105
• Ground
• Heated o2 sensors, vapor management valve, evr solenoid valve
• Hot at all times
• Hot in run or start
• Instrument cluster
• Intermediate shaft speed sensor (left side of transmission)
• Iss
• Joint connector (part of battery junction box)
• Nca
• O/d off
• Oss
• Output shaft speed sensor (left rear of transmission)
• Pcm power diode
• Pcm power relay
• Pcs a
• Pcs b
• Pcs c
• Power
• Pressure control solenoids
• Red
• Return
• S105
• S120
• S129
• S130 (near a/c clutch cycling pressure switch breakout)
• S132
• S210
• S211
• Scp+
• Scp-
• Shift solenoids
• Sig rtn
• Ss a
• Ss b
• Ss c
• Ss d
• Tcc sol
• Tcs
• Tft
• Throttle postion sensor (top of throttle body)
• Torque conv clutch solenoid
• Tps
• Tr1
• Tr2
• Tr3a
• Tr4
• Trans- mission control switch (end of shift lever)
• Transmission fluid temperature sensor
• Transmission solenoid body assembly
• Tss
• Turbine shaft speed sensor (left side of transmission)
• V ref
• Vbatt